44 BIBLIOGRAPHY OF ANALYTICAL CHEMISTRY OF MANGANESE 



1882: 16. Troilius, M. Bestamning af mangan i jern. 



Jem.-Kont. Ann., 1882, 526; Berg- u. hiittenm. Ztg., 42, 255; Jsb. 

 Chem., 1883, 1568 and 1674; Ber., 16, 1690; Wagner's Jsb., 29, 

 19; Rep. anal. Chem., 3, 189; J. Soc. Chem. Ind., 2, 428; Dingl. 

 poL J., 250, 417. 



Precipitation by means of potassium chlorate, solution and separa- 

 tion of iron, re-precipitation by bromine, and weighing as proto- 

 sesquioxide. 



1882: 17. Wagner, A. Ueber das Verhalten von Braunstein und 

 Chlorkalk beim Gluhen mit Chromoxyd und kohlensaurem 

 Natron unter Ausschluss der Luft. 



Ztschr. anal. Chem., 21, 493; Chem. News, 45, 80. 

 Determination of peroxide from the amount of chromate formed 

 during the heating. 



1883: I. GoETz. Die Bestimmung des Mangans in Eisen. 

 Dingl. pol. J., 248, 215. 



Colorimetric determination by oxidation to permanganic acid by 

 means of lead peroxide. 



1883: 2. GuYARD, A. Recherche quahtative du manganese dans le 

 zinc de commerce, les cendrese de zinc et les calamines, — et re- 

 cherches du bismuth dans le plomb commercial, au moyen 

 de r^lectrolyse. 



C. R., 97, 673; Bull. soc. chim. (2), 40, 420; Jsb. Chem., 1883, 

 1514; Ber., 16, 2691 ; Chem. News, 48, 193; J. Chem. Soc. (Lond.) 

 46, 368 and 640; Chem. Ztg., 7, 161 1; Rep. anal. Chem., 3, 379; 

 Berg- u. htittenm. Ztg., 42, 587. 



Permanganic acid formed by electrolysis. 



1883: 3. Harvey, J. W. C. New Process for the Rapid Volumetric 

 Estimation of Binoxide of Manganese. 



Chem. News. 47, 2; Jsb. Chem., 1883, 1566; Chem. Centrbl., 1883, 



199; J. Chem. Soc. (Lond.), 44, 513; Ztschr. anal. Chem., 23, 60; 



Ber., 16, 262; Chem. Ztg., 7, 141; Chem. Ind., 6, 82; Chem.-techn. 



Rep., 22, 236; Wagner's Jsb., 29, 437; Dingl. pol. J., 248, 303. 

 Determination of peroxide bj'' solution in an excess of stannous 



chloride, addition of ferric chloride, and titration for the ferrous 



chloride formed. 



1883: 4. Hampe, W. Zwei neue maassanalytische Manganbestim- 

 mungsmethoden . 



Chem. Ztg., 7, 1103; Jsb. Chem., 1883, 1565; Ber., 16, 2531; Stahl. 

 u. Eisen, 3, 638; Wagner's Jsb., 30, 141; Berg- u. hlittenm. Ztg., 

 42, 536; Ztschr. anal. Chem. (1885), 24, 422; Techn.-chem. 

 Jahrb., 6, 27. 



